343430139 has 24 divisors (see below), whose sum is σ = 497291520. Its totient is φ = 210723552.

The previous prime is 343430137. The next prime is 343430167. The reversal of 343430139 is 931034343.

It is not a de Polignac number, because 343430139 - 2¹ = 343430137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343430137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221802 + ... + 223344.

It is an arithmetic number, because the mean of its divisors is an integer number (20720480).

Almost surely, 2^343430139 is an apocalyptic number.

343430139 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

343430139 is a deficient number, since it is larger than the sum of its proper divisors (153861381).

343430139 is a wasteful number, since it uses less digits than its factorization.

343430139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 343430139 is about 18531.8682004810. The cubic root of 343430139 is about 700.2924893333.

The spelling of 343430139 in words is "three hundred forty-three million, four hundred thirty thousand, one hundred thirty-nine".